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New process may fight climate change by storing billions of tons of CO2 in rock

Accelerating a natural carbon uptake process could help offset emissions on a massive scale, argue scientists.

Source:  Copyright 2008, Mongabay
Date:  November 4, 2008
Original URL: Status ONLINE


Accelerating a natural carbon uptake process could help offset emissions on a massive scale, argue scientists.

Researchers may have devised a way to store massive amounts of carbon dioxide in rock through a relatively simple process. The finding is described in this week's issue of the Proceedings of the National Academy of Sciences (PNAS).

With concerns over climate change rising, the search is on for ways to safely sequester atmospheric carbon dioxide. A solution could help avoid the worst effects of global warming while offering lucrative returns for its inventors.

Fittingly Peter B. Kelemen and Jürg Matter of Columbia University have filed for a patent on a technique that could potentially store billions of tons of CO2 in exposed peridotite, the dominant rock of the upper part of the Earth's mantle, by accelerating a natural 'carbonation' process.

The approach consists of drilling into a layer of peridotite which is ...

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